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crypto: omap-aes - Sync SG before DMA operation 

Earlier functions that did a similar sync are replaced by the dma_sync_sg_*
which can operate on entire SG list.

Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Joel Fernandes 2013-08-17 21:42:26 -05:00 committed by Herbert Xu
parent 4b645c9465
commit 0a641712ef
1 changed files with 4 additions and 0 deletions
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4
drivers/crypto/omap-aes.c
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@ -484,6 +484,8 @@ static int omap_aes_crypt_dma(struct crypto_tfm *tfm,
struct dma_slave_config cfg;
int ret;
dma_sync_sg_for_device(dd->dev, dd->in_sg, in_sg_len, DMA_TO_DEVICE);
memset(&cfg, 0, sizeof(cfg));
cfg.src_addr = dd->phys_base + AES_REG_DATA_N(dd, 0);
@ -670,6 +672,8 @@ static void omap_aes_done_task(unsigned long data)
pr_debug("enter done_task\n");
dma_sync_sg_for_cpu(dd->dev, dd->in_sg, dd->in_sg_len, DMA_FROM_DEVICE);
omap_aes_crypt_dma_stop(dd);
omap_aes_finish_req(dd, 0);
omap_aes_handle_queue(dd, NULL);